Home / Procedures / Fat dissolving injections / Results and aftercare

Fat dissolving injections subtopic · Last reviewed 13 May 2025

Written and maintained by the Clinics for Kings editorial desk·Edited by Morten Andersen & Fredrik Filipsson

Fact-checked against the cited medical and cost sources by the Clinics for Kings editorial desk·General information, not a clinician’s review — always consult a licensed doctor.

Fat dissolving injections: results and aftercare.

What fat dissolving injections realistically do, how many sessions it takes, and the swelling and aftercare to expect. Plus where they are simply not the right tool.

General health information, not medical advice, and not a substitute for a qualified doctor. Always consult a licensed professional before making any decision.

Published by Kings Hospitality LLC · 1314 E Las Olas Blvd, Fort Lauderdale, FL 33301, USA. Edited by Morten Andersen & Fredrik Filipsson. See our editorial standards & corrections policy.

2 to 4

Sessions typical
spaced 3 to 4 weeks

4 to 8 wks

To see results
per session, gradual

£150 to £300

Indicative UK
per session

The one honest thing

These injections suit small, stubborn pockets, not weight loss. Expecting them to reshape a large area, or to work in one session, is the usual disappointment.

Quick answer

What should I expect?

Fat dissolving injections use deoxycholic acid, a substance that breaks down fat cells so the body clears them. They are made for small, stubborn pockets such as under the chin, not for weight loss or large areas. Results build gradually over several weeks and usually need two to four sessions spaced a few weeks apart. Swelling, tenderness, and bruising afterwards are expected and part of how the treatment works. The fat cells that are destroyed do not return, but remaining cells can still enlarge with weight gain.

This page covers what results to expect and the aftercare that protects them. It is general information reviewed in June 2026, not a personal treatment plan.

The results

What the result really is.

Gradual and partial. Each session breaks down a portion of the fat in the treated pocket, and results appear over roughly four to eight weeks as the body clears it. Most people need two to four sessions for a visible change. It refines a small area rather than transforming it.

What lasts, and what does not. The fat cells that are destroyed do not come back. However, the cells that remain can still grow if you gain weight, so the result holds best alongside a stable weight. Indicative figures reviewed May 2025.

Expect swelling first. The area often swells noticeably for several days after each session, sometimes longer under the chin, before settling. This is normal and expected, not a sign of a problem, though your clinician should tell you what is not normal.

The aftercare routine

The aftercare across the course.

Expect swelling

The treated area will swell, feel firm or tender, and may bruise for several days. This is part of how the treatment works. Plan around it socially.

Massage if advised

Some clinicians suggest gently massaging the area to help the body clear the fat. Follow the exact advice you are given rather than improvising.

Ease off exercise

Avoid strenuous exercise for the first day or so and keep to gentle activity early on, as advised, while the area settles.

Keep your sessions

Results build across sessions spaced a few weeks apart. Book and keep the full course so the treated pocket is worked evenly.

Not a weight loss treatment

Deoxycholic acid suits small, defined pockets of fat. It is not a way to lose weight or treat a large area, and using it that way leads to disappointment and unnecessary cost. A careful clinician will say when you are not a good candidate.

The follow up problem when treated abroad

Lumps, prolonged swelling, uneven results, or rare complications need review across several weeks, and the course itself is spread over time. A single trip rarely fits the full plan, so think about who provides the later sessions and any follow up before you travel.

Get Matched with a vetted clinic

Plan the full course, not one trip.

Send one brief and we route it to vetted clinics that set out realistic results, the number of sessions, and aftercare clearly. They return tailored plans and all in prices. You choose, with no pressure.

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Common questions

The things everyone asks.

How many sessions will I need?

Typically two to four, spaced about three to four weeks apart, depending on the area. Some areas need more. Ask for an honest estimate for your case.

When will I see results?

Gradually, over about four to eight weeks per session, as the body clears the broken down fat. The full effect builds across the course.

Are the results permanent?

The fat cells destroyed do not return, but remaining cells can enlarge with weight gain, so a stable weight protects the result.

Is the swelling normal?

Yes. Swelling, tenderness, and bruising after each session are expected, sometimes marked under the chin. Your clinician should explain what is normal and what is not.